ChronoTomato/internal/websocket/receive.go
Sebastian Mark 5d24a651c2 fix: improve connection check and reconnect
- enhance `Connected()` method
  - send ping message to verify connection status
- refactor reconnect code for better understanding
2024-11-20 17:17:40 +01:00

50 lines
1.1 KiB
Go

package websocket
import (
"encoding/json"
"time"
"github.com/gorilla/websocket"
GoTomato "git.smsvc.net/pomodoro/GoTomato/pkg/models"
)
var Done = make(chan struct{})
// Receives websocket messages and writes them to a channel.
// Closes the channel if websocket closes.
func (c *Client) ProcessServerMessages(channel chan<- GoTomato.ServerMessage) {
var serverMessage GoTomato.ServerMessage
defer close(Done)
for {
c.Conn.SetReadDeadline(time.Now().Add(10 * time.Second))
_, message, err := c.Conn.ReadMessage()
if err != nil {
c.LastErr = err
// On normal closure exit gracefully
if websocket.IsCloseError(err, websocket.CloseNormalClosure) {
return
}
// check connection and reconnect if no response
if !c.Connected() {
pw := c.Password
for !c.Connected() {
channel <- serverMessage // send last known ServerMessage to update view
time.Sleep(time.Second)
*c = Connect(c.Server)
}
c.Password = pw
}
continue
}
err = json.Unmarshal(message, &serverMessage)
c.LastErr = err
channel <- serverMessage
}
}